JP2009117143A - 導光板の出光光場を導正する構造 - Google Patents
導光板の出光光場を導正する構造 Download PDFInfo
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- JP2009117143A JP2009117143A JP2007288158A JP2007288158A JP2009117143A JP 2009117143 A JP2009117143 A JP 2009117143A JP 2007288158 A JP2007288158 A JP 2007288158A JP 2007288158 A JP2007288158 A JP 2007288158A JP 2009117143 A JP2009117143 A JP 2009117143A
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Abstract
【解決手段】 本発明は、導光板の出光光場を導正する構造を提供し、導光板は、入光面、反射面、及び、出光面からなる。出光面は多数の走向がランプ源と垂直な導光構造を形成する。導光板二側辺縁領域の導光構造は、長い斜辺と短い斜辺のV字型形状をなし、且つ、長い斜辺は導光板の側辺辺縁方向に近く、長い斜辺と導光板の出光面がなす挟角の角度は、短い斜辺と出光面がなす挟角角度より小さく、且つ、導光板側辺辺縁に近い導光構造中の長い斜辺と出光面がなす挟角角度が小さくなり、出光する光源が長い斜辺に入射して屈折する時、屈折した光線が法線から離れ、光源が正向き方向に導正され、導光板の出光の均斉度を向上させる。
【選択図】図4
Description
11入光面
12反射面
121V字型導光体
13出光面
131V字型導光体
2導光板
21入光面
22反射面
221V字型導光体
23出光面
231 導光構造
231a長い斜辺
231b短い斜辺
Aランプ源
L法線
θ1、θ2挟角
Claims (2)
- 導光板の出光光場を導正する構造であって、導光板の出光面は多くの断面がV字型で、走向がランプ源と垂直な導光構造を形成し、前記導光板二側領域に近い導光構造は、非正V字型であり、二斜辺は長い斜辺と短い斜辺を有し、前記長い斜辺と前記導光板の出光面がなす挟角角度は、前記短い斜辺と前記出光面がなす挟角角度より小さいことを特徴とする導光板の出光光場を導正する構造。
- 前記導光板側辺辺縁に近い導光構造中の長い斜辺と前記出光面がなす挟角は小さいことを特徴とする請求項1に記載の導光板の出光光場を導正する構造。
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JP2007288158A JP4731540B2 (ja) | 2007-11-06 | 2007-11-06 | 導光板の出光光場を導正する構造 |
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JP2007288158A JP4731540B2 (ja) | 2007-11-06 | 2007-11-06 | 導光板の出光光場を導正する構造 |
Publications (2)
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JP2009117143A true JP2009117143A (ja) | 2009-05-28 |
JP4731540B2 JP4731540B2 (ja) | 2011-07-27 |
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JP2007288158A Expired - Fee Related JP4731540B2 (ja) | 2007-11-06 | 2007-11-06 | 導光板の出光光場を導正する構造 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011193832A (ja) * | 2010-03-23 | 2011-10-06 | Stanley Electric Co Ltd | 植物育成用照明装置およびそれを用いた植物育成装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001502072A (ja) * | 1996-10-08 | 2001-02-13 | クリオ テクノロジーズ,インコーポレイテッド | 発散角度回転子システム及び光のコリメート方法 |
JP2005234258A (ja) * | 2004-02-20 | 2005-09-02 | Fuji Photo Film Co Ltd | 集光フィルタ、液晶表示装置、及び表示装置 |
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2007
- 2007-11-06 JP JP2007288158A patent/JP4731540B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001502072A (ja) * | 1996-10-08 | 2001-02-13 | クリオ テクノロジーズ,インコーポレイテッド | 発散角度回転子システム及び光のコリメート方法 |
JP2005234258A (ja) * | 2004-02-20 | 2005-09-02 | Fuji Photo Film Co Ltd | 集光フィルタ、液晶表示装置、及び表示装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011193832A (ja) * | 2010-03-23 | 2011-10-06 | Stanley Electric Co Ltd | 植物育成用照明装置およびそれを用いた植物育成装置 |
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JP4731540B2 (ja) | 2011-07-27 |
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